Science News - The Hindu

Buoyant aerosol: Smaller droplets, less than five microns, evaporate faster than they settle, hence, get carried away by air to longer distances.

Can coronavirus spread through airborne transmission of aerosols?

A study measured the size distribution, travel distance and velocity of droplets when a person coughs or speaks

Fallout: COVID-19 will take away at least six months from the productive life of PhD students.

Plight of doctoral students during the pandemic

Useful discovery: The antibody could help block infection in cultured human cells.

Monoclonal antibody to block coronavirus infection identified

Aswathi Pacha The team had isolated the SARS virus duringthe outbreak of 2002

Mannequins covered with face masks displayed at a shop in Bengaluru’s Rajarajeshwari Nagar on Tuesday.

Coronavirus | Social distancing norms of 6 feet insufficient, virus can travel nearly 20 feet: study

PTI Novel coronavirus can spread up to three times further in cold and humid weather, according to the researchers

Editor's Pick

Herd immunity: The concept is generally used to calculate how many people will need to be vaccinated in a population in order to protect those who are not vaccinated.

Aiming to achieve herd immunity naturally is ‘dangerous’, WHO warns

R. Prasad Only well-designed studies on those recovered from COVID-19 can provide the much-needed information on immunity

Traditional belief and today’s science

D. Balasubramanian

AYUSH can fight COVID-19, while Ganga Jal can only carry it

Three -layered: The middle layer is deposited with anti-viral and anti-bacterial agents.

IISc develops antimicrobial composite material and testing protocols for PPEs

Shubashree Desikan It stops particles over 0.3 micrometres in size with about 95% efficiency

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Watch | What is a heat wave?

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Coronavirus | Hydroxychloroquine with PPE reduces odds of COVID-19 in health workers: ICMR researchers

SpaceX Crew Dragon docks with International Space Station

Coronavirus | Over 50% of COVID-19 cases, deaths are from five Indian cities

The search for an animal model to study COVID-19

Coronavirus: A few infected people account for larger virus spread

Can coronavirus spread through airborne transmission of aerosols?

Plight of doctoral students during the pandemic

This crisis will most severely affect those who have just finished, or are finishing, their PhD degrees

Monoclonal antibody to block coronavirus infection identified

The team had isolated the SARS virus duringthe outbreak of 2002

Watch | What is a heat wave?

A video on the yearly phenomenon that is one of the most dangerous of natural hazards

Coronavirus | Social distancing norms of 6 feet insufficient, virus can travel nearly 20 feet: study

Novel coronavirus can spread up to three times further in cold and humid weather, according to the researchers

Watch | Global carbon pollution falls by 17%

A video on the biggest annual drop in carbon dioxide emissions in the world

Coronavirus | Hospital staff developed neutralising antibodies, says study

Study shows they developed antibodies capable of neutralising SARS-CoV-2 virus

U.S. firm Novavax begins coronavirus vaccine trial in Australia

131 volunteers in the cities of Melbourne and Brisbane will test the safety of the vaccine

Watch | Explained: Herd immunity and herd masking

A video explainer on herd immunity and herd masking

Blood clots in the lung may be a major cause of COVID-19 deaths

Many infected patients had elevated levels of a marker of thrombosis in blood vessels

Faeces samples can harbour infectious coronavirus, study finds

This raises the potential for faecal-oral or faecal-respiratory transmission through aerosolised faeces

Phase-1 trial: Adenovirus COVID-19 vaccine found safe, induces immune responses

Trial was carried out on 108 participants aged 18-60 in Wuhan

Monkeys resistant to coronavirus reinfection

Six DNA vaccines show promise in animals

NASA astronauts arrive in Florida week before SpaceX flight

The flight is set to be the first crewed space flight to leave from U.S. soil in nine years.

IIT-Guwahati takes ‘Trojan horse’ route to fight Alzheimer’s disease

Designer peptides to impede aggregation of brain plaque

Coronavirus | U.K. trial to test efficacy of five drugs

“The trial hopes to recruit 12,000 patients in all.”

Watch | What is R0 and how is it important?

A video on R0 value and its relevance in the time of a pandemic

Machines used for testing drug-resistant TB can be now used for confirmation of COVID-19 cases

According to the guidelines, all samples of suspect COVID-19 should be first tested by the E gene screening assay.

NASA human spaceflight chief resigns ahead of ‘historic’ launch

NASA is scheduled to launch two astronauts into space from U.S. soil for the first time since 2011.

A good year for Olive Ridley turtles

Lack of human presence kept nests along the Odisha coast undisturbed

Hotter oceans spawn super cyclones

Record temperatures in the Bay of Bengal have set the stage for storm systems

Watch | India's COVID-19 tally crosses 1 lakh

A video on India's COVID-19 tally crossing the one lakh mark

Watch | How to handle groceries in the time of COVID-19

A video explaining the process of handling packages and produce after grocery run

Rare palm from Andamans gets second home

The critically endangered species started flowering at Thiruvananthapuram-based JNTBGRI

Sunday Quiz: All about vaccines

'Vaccines save lives; fear endangers them. It's a simple message parents need to keep hearing’

Why dead bodies do not spread novel coronavirus

The virus is like a pen drive. The pen drive may contain huge data for storage, transport, copying and visualisation. But none of that can be done unless the USB connector docks onto the port of a computer

IISc develops antimicrobial composite material and testing protocols for PPEs

It stops particles over 0.3 micrometres in size with about 95% efficiency

WHO backs COVID-19 vaccine trials that deliberately infect participants

The guidelines say it would be ‘substantially faster’ as far fewer participants need to be exposed to candidate vaccines

Aiming to achieve herd immunity naturally is ‘dangerous’, WHO warns

Only well-designed studies on those recovered from COVID-19 can provide the much-needed information on immunity

Traditional belief and today’s science

AYUSH can fight COVID-19, while Ganga Jal can only carry it

Make masks at home with cotton and silk

Across the world, the coronavirus (COVID-19) pandemic has forced governments into mandating the use of face masks. The general public has been advised

Understanding the physics of coronavirus transmission

This can help us be better prepared to tackle disease outbreak in the future

Antibody fragment based therapy against COVID-19 underway

UoH to collaborate with CCMB.

Of apes, men and covid: The non-existent trajectory of evolution

No, humans have not been brought to their knees by a ‘primitive’ virus. We have never been ‘superior’, just more complex and more vulnerable

No link between BCG vaccination, coronavirus in Israel: study

Researchers did not find any key difference in proportion of positive test results in vaccinated, unvaccinated groups

An open letter from scientists across the globe calling for use of fabric masks to prevent COVID-19

Open letter from Jeremy Howard, Dr. Vincent Rajkumar and other leading scientists on using fabric masks to stop spread of COVID-19

Meet the scientists giving a surprising new purpose to pollen

Scientists at Nanyang Technological University (NTU), Singapore, are using technology to turn one of Nature’s toughest ingredients into a biodegradable material that bends and unbends depending on humidity

Watch | Oceans could rise up to 1.3 metres by 2100

A video on the melting of the Earth's two ice sheets leading to the rapid rise in sea levels

Three new species of fishes found in Western Ghats

Research employed evidence-gathering using morphological and genetic analysis

Coronavirus | National Institute of Virology develops ELISA test to detect antibodies

This is the first time India has developed an indigenous ELISA test for coronavirus

Inactivated PiCoVacc vaccine found safe, efficacious in animal study

The vaccine was able to induce specific neutralising antibodies in all three animal models tested

Sal forest tortoise habitat stretches over unprotected areas

Protected areas are designated in a largely mammal-centric way, many equally threatened reptiles and amphibians live outside these

‘COVID-19 death is a wake-up call to improve surveillance in the area’

Even after more than six weeks of national lockdown, there is no sign of any flattening of the curve but instead the number of new novel coronavirus

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Delhi Home guard staff thermal screen the passengers waiting at the DTC bus stop amidst the lockdown imposed till May 31, in New Delhi on May 29, 2020.

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The fund was set up to accept donations for relief measures during the pandemic. Photo: Reuters

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Wajid Khan (R) with brother Sajid Khan of Sajid-Wajid duo during the Mirchi Music Awards in Mumbai on January 27, 2011.

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A school teacher in Chennai Corporation school teaches tenth and twelfth standard students through online class in Chennai on Monday.

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This image made available by the U.S. Food and Drug Administration on Thursday, May 28, 2020 shows a label for the drug metformin.

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